SIEM vs SOAR vs XDR in Plain English
Three categories, three different jobs. What SIEM, SOAR and XDR each do, where each one disappoints, and the number you own whichever you buy.
TOPIC
Tooling
SIEM, EDR, and the rest of the acronym soup: what the tools do, what they cost you in attention, and when you genuinely need them.
Articles
Key terms
Endpoint Detection and Response: an agent that records endpoint activity, detects suspicious behavior, and lets responders isolate or remediate machines remotely.
Security Information and Event Management: a platform that collects and correlates logs across systems so analysts can detect and investigate incidents.
Security Orchestration, Automation and Response: a platform that runs codified playbooks against a triaged case, executing containment actions across systems and recording the trail.
Extended Detection and Response: correlates telemetry across one vendor's own sensors, typically endpoint, identity, email and network, and ships its detection content already written.